Complete the table: Moles Number of Atoms Element Mass Pt 0.0354 Fe 1.15x1025 20.2 mg Ti Hg 3.40

Q: Complete the table. Number of Particles (atoms Substance Mass Moles or molecules) Ar 4.5 x 10-4 NO2…

A: Ar : Mass of Ar = moles x molar mass                   = 4.5 x 10-4 x 40                   = 1.80 x…

Q: What is the mass (in grams) of 2.40 x 1024 CS2 (tear gas) molecules? [Note: Molar Masses (g/mole): C…

A: Atomic mass of C = 12 g mol-1 Atomic mass of S = 32.1 g mol-1 Number of CS2 molecules = 2.40 × 1024

Q: Which of the following has the most moles of substance? a. 10.0 g He b. 5.0 x 10²³ atoms Ne c.…

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Q: 4. Fea(SO.). Element * atoms Atomic mass (gimol) Total (gimol) Fe Total Molar mass

A: Applying rule of calculation of molecular weight.

Q: Identify all correct statements pertaining to number of particles and moles. A. 6.023 x 1023 atoms…

A: Since there are multiple questions, we are authorized to answer only the first question, that is,…

Q: A molecular compound is found to consists 30.4% nitrogen and 69.6% oxygen. if the molecule contains…

A: Given Composition of N = 30.4 % Composition of O = 69.6 %

Q: How many O atoms are in 2.00 g  Al2O3 ? Al = 26.98 g/mole, O = 16.00 g/ mole

A: Recall the data, mass of Al2O3=2.00 g molar mass of Al=26.98 g/mole molar mass of O=16.00 g/ mole

Q: Fill in the following table, show your work. Substance Mass (g) Moles (mol) Molecules (molec) N2…

A: Number of moles present can be determined by dividing the mass of the substance by its molar mass…

Q: How many grams are in 1.18 x 1021 HF molecules? H = 1.008 g/mole and F =19.00 g/mole

A: Number of mols = Weight in gMolecular weight in g/mol Then Weight of the substance = Number of mole…

Q: Enter your answer in the provided box. Calculate the moles of O atoms in 1.17 g of Mg(NO3)2. mol O…

A:

Q: How many atoms are present in the following molar quantities of various elements? a) 1.50 moles Fe…

A: Generally, 1 mole = 6.023 x 1023atoms. a) 1.50 moles Fe = 1.50 x 6.023 x 1023atoms = 9.0345 x…

Q: How many atoms of zinc are present in a sample that contains 7.79×102 grams of zinc?The molar mass…

A: The mass of one gram atom is equal to the mass of 6.022× 1023 atoms of any element. Thus, it is…

Q: 1. NANOS Element # atoms Atomic mass (g/mol) Total (g/mol) Na Total Molar mass 2. LIAIH, Element #…

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Q: 17. What is the percent composition by mass of nitrogen in-a compound: NANO3(MMNANO3 = 85.0 g/mol)…

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Q: 8.3.01 x 1023 CH₂O molecules moles CH₁₂0 9. 1.00 x 1025 Na atoms moles No

A: Here, we have to find the number of moles of C6H12O6 in 3.01×1023 C6H12O6 molecules and the number…

Q: 4. Convert 6.00 x 1021 atoms to mole of sodium. 5. Convert 8.00 × 1023 molecules to mole of water.…

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Q: How many grams of sugar C12H22011 that consists of 1.25 x 1024 atoms of hydrogens? Molar mass of…

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Q: b. 8 HNO3 + 3 Cu 3 Cu(NO3)2 + 4 H2O + 2 NO -> 3.2 g IMoICh 3.29(4x 63. 55 gcu Molar Mass

A: Given: Mass of Cu = 3.2 g Molar mass of Cu = 63.546 g/mol Molar mass of HNO3 = 63.01  g/mol Molar…

Q: How many sodium atoms are there in 6.0 g of Na3N? O 4.6x 1022 atoms O 0.217 atoms O 0.072atoms O 3.6…

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Q: Fill in the blanks in the following table for the compound car- bon dioxide, CO,. Moles Molecules…

A: Solution-                 Moles            Molecules                Mass            3.00 mol…

Q: If i have the chemical equation Mg(s) + 2HCl(aq) ⟶ MgCl2(aq) + H2(g), how would I find the moles of…

A: We have given that  the balanced chemical equation :                    1Mg(s) + 2HCl(aq) →…

Q: Calculate the mass in milligrams of 4.15×1020 formula units of Bi(NO3)3·5H2O.

A: Given : Number of formula units of Bi(NO3)3·5H2O = 4.15 X 1020

Q: Convert 6.00 moles of calcium to atoms. O 8.50x1024 atoms O 1.56x1023 atoms O 3.61x1024 atoms…

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Q: Table 1. The relationship between mass, mole and number of particles Formula of Molar mass Mass (g)…

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Q: Calculate each of the following quantities. (a) mass in kilograms of 4.8  1020 molecules of NO2…

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Q: 20. How many grams are in 1.18 x 1021 HF molecules? H = 1.008 g/mole and F=19.00 g/mole 1.01 g 0.992…

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Q: Calculate number of moles in these quantities. a. 01 × 1024 molecules of CO2…

A: One mol of CO2 contains 6.022×1023 molecules per mol. The number of moles of CO2 that contain 1×1024…

Q: A. Calculate the molar mass of each substance. 1. NaCl 2. O2 3. O 4. CeH1206 5. (NH4)3PO4 6. Ag

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Q: Number of atoms of Carbon in 15 moles of C4H10 are: 90.33x10^23 361.32x10^23 O 6.23x10^23

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Q: MOLAR MASS MASS (9) FORMULA NUMBER OF MOLES (g/mol) 2. CHNOS 0.4249

A:

Q: 3.8 Calculate the molar mass of each (a) Sr(OH)2 (b) N½O3 (c) NaCIO3

A: [Disclaimer: As per rules only the 3 subparts of the first question can be answered ] Therefore…

Q: 51 Caffeine Caffeine, found in coffee, tea, chocolate, cola beverages is a highly popular stimulant…

A: Note - “Since you have posted a question with multiple sub-parts, we will solve first three…

Q: Complete the table below for calculating the molar mass of the compound silicon dioxide. Mass in one…

A: We have to calculate the molar mass of silicon dioxide.

Q: The analysis of a compound gives the following percent composition by mass: C: 56.62 percent; H:…

A:

Q: Calculate the number of sodium atoms in each following samples: A. 1 mol sodium oxide B. 50g…

A: Given, three samples containing sodium as following,A) 1 mol sodium oxide  B) 50g sodium chlorideC)…

Q: The molar mass of (NH4)2C2O4 is [Molar Masses (g/mole): N = 1 4; H = 1; C = 12; O = 16] Oa. а. 124…

A: Given compound, (NH4)2C2O4l

Q: B. Calculate the number of moles contained in each of the following samples. 13) 1.06 x 1025 atoms…

A: Number of moles = number of atoms of a particular element/Avagadro's number  Avagadro's no. (NA) =…

Q: A mole of the water is: 12.0000 g H2O one H20 molecule O 6.02 x 1023 g H2O 6.02 × 1023 H20 molecules…

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Q: Using average atomic masses given in the periodic table, calculate how many moles of each substance…

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Q: Calculate the percentage composition of all the atoms/elements in magnesium chlorate, Mg(CIO3)2.

A: Given :- chemical formula of Magnesium chlorate = Mg(ClO3)2  To determine :- percentage composition…

Q: How many atoms are in 156 mL of ethanol? (Density = 0.79g/mL) (Molar mass: 46.07g/mol)

A: Number of atoms present in 156 mL of ethanol is to be determined. (Density = 0.79g/mL) (Molar mass:…

Q: Complete the table below for calculating the molar mass of the compound phosphorus triiodide. Molar…

A:

Q: Question attached

A: Given data contains, Number of molecules of O3 is 4.5×1025 molecules. Molar mass of oxygen is 16…

Q: Convert 2.5 moles of silver to atoms. O 4.02x102 atoms O 1.51x1024 atoms O 7.51x1023 atoms O…

A: Mole relation gives the relationship among number of mole, atomic/molar mass, number of…

Q: 1. Complete the blanks in each row, with proper number of significant figures: Substance Molar mass,…

A: Complete the each row

Q: KHP grams Molar Mass of KHP (A2) 204.22 g/mol moles KHP 1.009 (A11) %3D 204.22 g/mol

A: Mass = 1.009 g Molar mass of KHP = 204.22 g/mol Moles = mass/MM    = 1.009/204.22 = 0.00494 mol

Q: Given: Al2 (SO4)3 MOLAR MASS CALCULATION: Element Symbol No. of Atoms Atomic Mass Mass Contribution…

A: Molar mass of compound is the sum of mass of each element in the compound.

Q: Which quantity contains the most moles? a. 10 g SO2 b. 10 g CO2 c. 10 g SiO2 d. 10 g CH4

A: Generally, the no of moles presents in given amount is obtained by dividing the given compound mass…

Q: How many moles of oxygen atoms are in 4.03 moles of magnesium phosphate:  Mg3(PO4)2 (Mw. 262.87…

A: 1 mole correspond to 6.023 x1023 atoms 1 mole of Mg3(PO4)2 contains 8moles of oxygen atoms 4.03…